Insulation Cost in Sun Prairie, WI in 2026
Most Insulation projects in Sun Prairie, WI cost between $1,500 and $6,000. The typical price is $2,900.
Sun Prairie prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Sun Prairie, WI
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.22 |
| Mid-range | $2.43 |
| High-end | $5.07 |
Insulation contractors in Sun Prairie, WI
Businesses listed on Google near Sun Prairie, WI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of Madison
5.0(82 reviews)
5341 Wood Dr, Sun Prairie, WI 53590
Accurate-Airtight Exteriors
4.9(74 reviews)
3336 Commercial Ave, Madison, WI 53714
Rockweiler Insulation, Inc.
4.7(73 reviews)
211 Legion St, Verona, WI 53593
Spraytech Insulators of Madison
4.9(24 reviews)
138 Dempsey Rd, Madison, WI 53714
TNT Insulation, LLC
4.8(17 reviews)
2890 Terra Ct Unit 13, Sun Prairie, WI 53590
Rainbow Insulators Inc.
5.0(11 reviews)
6223 Middleton Springs Dr, Middleton, WI 53562